"Maddie has suffered greatly. Her boyfriend died, her best friend was critically injured, as well as herself," said Beth LaFave. “It is by watching Maddie heal physically, emotionally and spiritually, we ourselves are able to heal.”

Prosecutors dropped a charge of violating a provisional operator's permit.

Both families said they are torn apart by loss.

"We vow today as families united that we're going to start focusing on positive," said Tifany Shely, Maddie’s mother.